const A1 = require('./mods/app01Mod1.js')
//当前模块的目录名
console.log('__dirname1:', __dirname);//__dirname1: G:\前端知识体系\04_node\03全局变量\00模块作用域
//当前模块的文件名
console.log('__filename1:', __filename);//__filename1: G:\前端知识体系\04_node\03全局变量\00模块作用域\app01.js
